Panasonic LCD Projector Pt Lx300 Operating Instructions

Options
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Settings
Lamp Power Mode J
Selects desired lamp power mode under  z
different situations.
Press ▲▼ to select [Lamp Power Mode].1 ) 
Press ► to display the setting dialog box.2 ) 
Press ◄► to select the desired item.3 ) 
NormalNormal brightness.
AUTOBrightness according to the input 
signal.
ECO
Lower brightness reduces the lamp 
power consumption and extends 
the lamp life.
Note
When set to [ECO], you can extend the power savings,  z
reduced operating noise, the service life of the...

About indicator status
42 - ENGLISH
Maintenance
Maintenance
About indicator status
If an indicator turns on
If a problem should occur inside the projector, the  and/or   indicators will inform you. Manage 
the indicated problems as follow.
Attention
Before you take a remedial measure, follow the procedure of switching the power off indicated in “Powering off the  zprojector”. (Æpage 26)Confirm the status of the power indicated on the  indicator. ( zÆpage 25)
 indicator J
Indicator...

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Maintenance
Maintenance/replacement
Before cleaning/replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect  z
the power plug from the wall outlet. (Æpages 24, 26)
Be sure to observe the procedure “Powering off the projector” ( zÆpage 26) when performing power supply 
operation.
Maintenance
Outer Case J
Wipe off dirt and dust using a soft dry cloth.
If the dirt is persistent, soak the cloth with water and wring it thoroughly...

Maintenance/replacement
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Maintenance
Replacing the unit
 JLamp unit
The lamp unit is a consumable component. See "When to replace the lamp unit" about the lifespan.
It is recommended to ask an authorized engineer to replace the lamp unit. Contact your dealer.
Consult your dealer to purchase a replacement lamp unit (ET-LAL320). 
CAUTION:
■ Do not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)
The inside of the cover can become very hot, take care to avoid burn...

Maintenance/replacement
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Maintenance
Replacing the Lamp unit J
Attention
When the projector is mounted on a ceiling, do not work with your face close to the projector. z
Attach the lamp unit and the lamp cover securely. z
When you experience difficulty in installing the lamp, remove it and try again. If you use force to install the lamp, the  z
connector may be damaged.
Lamp cover screws
Lamp unit screws
Lamp bar
Turn off the Power by following the procedure in "Powering off the projec\...

Troubleshooting
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Maintenance
Troubleshooting
Please check following points. For details, see the corresponding pages.
ProblemCauseReference 
page
Power does not turn 
on.
The power cord may not be connected. z—
No electric supply is at the wall outlet. z—
The circuit breakers have tripped. z—
Is the  indicator,  indicator, or   z
indicator lit or blinking?
25, 42
The lamp cover has not been securely installed. z45
No picture appears.
The video signal input source may not be connected to a...

Troubleshooting
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Maintenance
ProblemCauseReference 
page
Partial, scrolling 
or incorrectly 
displayed image
For computer input, press the  button on the remote  z
control.
—
If you are using a Windows PC: z
1.  Open the [My Computer] icon, then click the [Control Panel] folder .
2.  Click the [Display] icon and select the [Settings] tab and set the 
display resolution lower than or equal to UXGA  (1600 × 1200).
If you are using a Notebook: z
1. First, follow the steps above to adjust...

Troubleshooting
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Maintenance
ProblemCauseReference 
page
Messages displays
 Lamp Warning Message:  z
 
The lamp has reached its end of life, please replace it as soon as 
possible.
44
 Fan Locked Warning Message:  z
 
 
This shows the fan has stopped during projection and the power will be 
shut off soon. Unplug the power cord from the outlet and contact your 
dealer for details.42
 Temperature Fail Message :   z
 
 
The internal temperature is too high and the power will be shut off soon,...

Appendix
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Appendix
Appendices
Appendix
Serial terminal
The serial connector which is on the connector panel of the projector conforms to the RS-232C interface 
specification, so that the projector can be controlled by a personal computer which is connected to this connector.
Connection J
Pin assignments and signal names J
Mini DIN 3-pin (female)
Outside viewPin No.Signal nameI/O
TXDOUT
RXDIN
GNDGND
Communication conditions J
Signal levelRS-232C-compliantCharacter length8 bits
Sync....

Appendix
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Appendix
Basic format J
Transmission from the computer begins with STX, then the command, parameter, and ETX are sent in this 
order. Add parameters according to the details of control.
STXC1C2C3 : P1 P2Pn ETX
When sending commands without parameters, a colon (:) is not necessary .: 
Basic format (with sub command) J
STXC1C2C3 :  ETX
S1S2S3S4S5 EP1P2P3P4P5P6
When transmitting a command which does not need a parameter, the operation (E) and parameter are not : 
necessary.
End  
(1...